LFS_Error
};
+ /// \brief Describes the result of waiting for the owner to release the lock.
+ enum WaitForUnlockResult {
+ /// \brief The lock was released successfully.
+ Res_Success,
+ /// \brief Owner died while holding the lock.
+ Res_OwnerDied,
+ /// \brief Reached timeout while waiting for the owner to release the lock.
+ Res_Timeout
+ };
+
private:
+ SmallString<128> FileName;
SmallString<128> LockFileName;
SmallString<128> UniqueLockFileName;
Optional<std::pair<std::string, int> > Owner;
Optional<error_code> Error;
- LockFileManager(const LockFileManager &);
- LockFileManager &operator=(const LockFileManager &);
+ LockFileManager(const LockFileManager &) LLVM_DELETED_FUNCTION;
+ LockFileManager &operator=(const LockFileManager &) LLVM_DELETED_FUNCTION;
static Optional<std::pair<std::string, int> >
readLockFile(StringRef LockFileName);
operator LockFileState() const { return getState(); }
/// \brief For a shared lock, wait until the owner releases the lock.
- void waitForUnlock();
+ WaitForUnlockResult waitForUnlock();
};
} // end namespace llvm